exam
Maths Puzzle
Numerical Ability
Please solve:
n+2(7+3n)-3n
which has the same value:
2(7+n)
n+14
14+3n
2(7+2n)
21n-3n
my answer is 2(7+2n) which will work out to be: 4n+14.
is this correct?
thanks.
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